Laser Hair Removal in Danville, CA
Laser Hair Removal in Danville, CA
Laser hair removal uses concentrated light to heat pigment in actively growing hair follicles and reduce future hair growth. Most people need a series of treatments because hairs grow in different cycles. Results are best described as long-term hair reduction rather than a guarantee that every hair will be permanently gone.
Laser hair removal works by aiming light at the dark colour inside a hair. The colour soaks up the light, gets hot, and that heat damages the root so it grows back less. It only works on hairs that are actively growing at the time, and your hairs are never all growing at once, which is why it takes a course rather than one appointment. The honest way to describe the result is a big, lasting reduction, not a promise that every hair is gone for ever.
Laser Hair Removal: the essentials
The short version
Unwanted pigmented hair on many facial and body areas.
Unwanted hair that has colour in it, on the face and on most of the body.
Laser energy is absorbed by pigment in the hair and converted to heat that damages growth-producing structures in the follicle.
The dark colour in the hair soaks up the light and turns it into heat, and that heat damages the part of the root that grows the hair.
A series is usually required. AAD patient guidance commonly describes 2 to 6 treatments, while some patients need more depending on area, hair cycle, skin tone and device.
You need a course. Skin doctors commonly describe two to six treatments, and some people need more, depending on the area, your hair, your skin tone and the machine.
Usually minimal. Temporary redness and swelling are common.
Usually none. Redness and a bit of swelling are normal.
Hair containing enough pigment for the selected laser to target; very light blonde, white and gray hair respond poorly to conventional laser hair removal.
Hair with enough colour in it for the laser to find. Very light blonde, white and grey hair does not respond to ordinary laser hair removal.
Long-term reduction in hair growth; maintenance may be needed.
Much less hair, for a long time. You may need the occasional top up.
What is laser hair removal?
What is laser hair removal?
Laser hair removal is a medical laser procedure designed to reduce unwanted hair by selectively heating hair follicles while protecting surrounding skin.
It is a medical laser treatment that reduces unwanted hair by heating the hair roots, while protecting the skin around them.
It is used on areas such as the underarms, bikini line, legs, back, chest, neck and selected facial areas. The exact device and settings should be chosen for the patient’s skin tone, hair color, hair thickness and treatment area.
It is used on the underarms, the bikini line, legs, back, chest, neck and parts of the face. Which machine, and which settings, should be chosen for your skin tone, your hair colour, how thick the hair is, and the area being treated.
- Common goals include reducing shaving, waxing and plucking.
- It can also help some patients with recurrent razor bumps or ingrown hairs when hair growth is a major trigger.
- Most people want it to stop having to shave, wax or pluck.
- It can also help people who keep getting razor bumps or ingrown hairs, when the hair growth is what sets them off.
How does laser hair removal work?
How does it work?
The laser targets pigment in the hair shaft and follicle. Absorbed light becomes heat, which injures structures needed for hair growth.
The laser aims at the colour in the hair and in the root beneath the skin. That colour soaks up the light and turns it into heat, and the heat damages the parts needed to grow a new hair.
Because only a portion of hairs are in the most responsive growth phase at any one time, treatments are spaced over a series rather than performed once.
Only some of your hairs are in the right stage of growth at any one moment. That is why it is spread over a course rather than done once.
Diagram showing hair growth cycles and why laser hair removal needs multiple sessions
A diagram showing the hair growth cycle, and why laser hair removal needs several sessions.
Who is a good candidate for laser hair removal?
Who is it suitable for?
Many skin tones can be treated safely when the correct device and settings are used by an experienced laser clinician. Hair color and skin color both influence effectiveness and risk.
Most skin tones can be treated safely, when the right machine and the right settings are used by someone experienced. Both your hair colour and your skin colour affect how well it works and how risky it is.
- Good candidates have unwanted hair with enough pigment for the chosen laser.
- Patients should be able to avoid tanning and follow sun-protection instructions.
- A consultation is especially important for darker skin tones, recent tanning, scar tendency, active infection or medications that may affect healing or light sensitivity.
- Your hair needs enough colour in it for the machine to find.
- You have to be able to stay out of the sun and follow the sun protection advice.
- A consultation matters especially if you have darker skin, have been tanning recently, scar easily, have an infection there, or take medicines that affect healing or make you sensitive to light.
Who may not be a good candidate?
Who should not have it?
Treatment may need to be delayed or modified when skin is recently tanned, irritated or infected, and conventional lasers are usually ineffective for white, gray or very light blonde hair.
It may need putting off, or changing, if your skin is recently tanned, irritated or infected. And ordinary lasers simply do not work on white, grey or very light blonde hair.
- Pregnancy policies vary by practice; elective cosmetic laser treatment is commonly deferred.
- Electrolysis may be a better option for hair that lacks enough pigment for laser targeting.
- Practices differ on pregnancy. Cosmetic laser treatment you have chosen to have is usually put off until afterwards.
- Electrolysis, which uses a tiny electric current rather than light, is the better option for hair with no colour in it.
How should I prepare?
How do I prepare?
Avoid tanning and follow the practice’s instructions about shaving, medications and skin-care products. Do not wax or pluck hairs that need to be targeted.
Stay out of the sun, and follow what we tell you about shaving, medicines and skincare. Do not wax or pluck the hairs you want treated.
- Use broad-spectrum sunscreen and avoid intentional tanning.
- Tell the clinician about medicines, recent isotretinoin use, cold sores and abnormal scarring.
- Follow the office’s shaving instructions for the treatment area.
- Use a broad spectrum sunscreen, and do not deliberately tan.
- Tell us about your medicines, about any recent isotretinoin, about cold sores, and about any tendency to scar badly.
- Shave the area as we instruct you.
What is recovery like after laser hair removal?
What is the recovery like?
Most people return to normal activities immediately. Redness and swelling around follicles can resemble a mild sunburn and usually settle quickly.
Most people go straight back to normal. The skin can look red, and the hair follicles a little swollen, rather like mild sunburn. It usually settles quickly.
Redness, warmth or follicular swelling may occur; cool compresses can help.
Redness, warmth or small bumps around the hair follicles. A cool compress helps.
Most minor redness and swelling resolve. Continue sun protection and gentle skin care.
Most of the redness and swelling has gone. Keep the sun off it, and be gentle with the skin.
Treated hairs may shed. New growth is often reduced and finer after successive sessions.
The treated hairs fall out. What grows back is usually less, and finer, after each session.
Laser hair removal treatment performed with protective eyewear and cooling
Laser hair removal being done, with eye protection and cooling.
What are the benefits and risks?
What are the benefits and risks?
The main benefit is durable reduction of unwanted hair with less ongoing shaving or waxing. Risks are usually temporary but can include burns, blistering, infection, scarring and lightening or darkening of the skin.
The benefit is much less hair, lasting a long time, with far less shaving and waxing. The risks are usually temporary, but can include burns, blisters, infection, scarring, and skin that ends up lighter or darker.
- Long-term reduction in hair growth.
- Can reduce shaving-related irritation and some ingrown hairs.
- Large areas can often be treated efficiently.
- A large, lasting reduction in hair growth.
- Less shaving rash, and fewer ingrown hairs for some people.
- Big areas can be covered fairly quickly.
- Temporary redness, swelling and discomfort.
- Pigment changes, especially if inappropriate settings are used or skin is tanned.
- Rare burns, blistering, infection or scarring.
- Redness, swelling and discomfort for a while.
- Skin ending up lighter or darker, especially if the settings are wrong or you are tanned.
- Rarely, burns, blisters, infection or scarring.
What are the alternatives to laser hair removal?
What else could I do instead?
Alternatives include shaving, waxing, depilatory creams, threading and electrolysis. Electrolysis is especially relevant when hairs are too light for laser targeting.
Shaving, waxing, hair removal creams, threading, or electrolysis. Electrolysis matters particularly when the hair is too light for a laser to see.
| Option | Best For | Limitations |
|---|---|---|
| Laser hair removal | Long-term reduction of pigmented hair over small or large areas | Needs a series; light-colored hair responds poorly; settings must match skin type |
| Electrolysis | Permanent removal of individual hairs, including light-colored hair | Slow for large areas and can be uncomfortable |
| Shaving/waxing | Immediate temporary hair removal | Requires repeated maintenance; waxing must be stopped before laser treatment |
Laser hair removal Best for a lasting reduction of dark hair, over small or large areas. Needs a course, does not work on light hair, and the settings must match your skin.
Electrolysis Removes hairs one at a time, permanently, including light coloured hair. Slow over a big area, and uncomfortable.
Shaving and waxing Work immediately, but only for a while. Waxing has to stop before laser treatment.
Illustrative result
What a result can look like
Illustration, not a patient photograph. Before and after laser hair removal showing reduced hair growth. It shows the kind of change this treatment is intended to produce. Individual results vary, and no outcome is guaranteed. Photographs of real patients are published only with written consent.
This is a drawing, not a photo of a patient. It shows a before and after for laser hair removal, to give you an idea of the kind of change it aims at. Results are different for everyone, and nothing is guaranteed. We only publish photos of real patients with their written permission.
Before and after
Unwanted hair
Questions patients ask
Is laser hair removal permanent?
Is it permanent?
It is best described as long-term or permanent hair reduction. Many patients remain hair-free for long periods, but some regrowth can occur and maintenance treatments may be needed.
The fair description is a long lasting reduction. Many people stay smooth for years, but some hair can come back, and top up sessions are sometimes needed.
How many treatments will I need?
How many sessions will I need?
Most people need a series because hairs cycle through different growth phases. AAD guidance commonly describes 2 to 6 treatments, while some areas or patients need more.
A course, because your hairs are at different stages of growth. Skin doctors commonly describe two to six treatments. Some areas, and some people, need more.
Does laser hair removal hurt?
Does it hurt?
Sensation varies by area and device and is often described as brief heat or snapping. Cooling and, when appropriate, topical anesthetic can improve comfort.
It depends on the area and the machine. Most people describe a brief hot snap. Cooling, and numbing cream where appropriate, make it much easier.
Can darker skin tones have laser hair removal?
Can it be done on darker skin?
Yes. Modern laser systems can treat many skin tones, but the device, wavelength and settings must be chosen carefully by an experienced clinician.
Yes. Modern machines can treat a wide range of skin tones, but the machine, the type of light and the settings have to be chosen carefully by someone experienced.
Why can’t I wax before laser hair removal?
Why can I not wax beforehand?
Waxing and plucking remove the hair from the follicle, leaving less pigment for the laser to target. Shaving preserves the follicular target beneath the skin.
Waxing and plucking pull the hair out of the root, so there is nothing left for the laser to aim at. Shaving leaves the root in place under the skin, which is exactly what we need.
Can laser hair removal help ingrown hairs?
Does it help ingrown hairs?
It can help when recurrent ingrown hairs are driven by coarse hair regrowth, because reducing the responsible hairs reduces repeated follicular irritation.
It can, when the ingrown hairs are caused by coarse hair growing back. Fewer of those hairs means less repeated irritation.
Where to go next
Talk it through with a physician first.
Every plan starts with an assessment of your skin, your anatomy and what you actually want to change.
This page is general health information, not medical advice. It cannot tell you whether a treatment is right for you. Approved uses, risks and results differ from person to person, and product labelling changes. Ask us at Dermatology and Laser Centre about your own situation, or make an appointment, and seek urgent care for any serious symptom.
